9E: Pinnacle Airlines

AA: American Airlines

AS: Alaska Airlines

B6: JetBlue Airways

CO: Continental Airlines

DL: Delta Air Lines

EV: Atlantic Southeast Airlines

F9: Frontier Airlines

FL AirTran Airways:

HA: Hawaiian Airlines

MQ: American Eagle

NW: Northwest Airlines

OH: Comair

OO: SkyWest Airlines

UA: United Airlines

US: US Airways

WN: SouthWest Airlines

XE: ExpressJet Airlines

YV: Mesa Airlines